police arrested regina butler in connection to a murder of 69-year-old -- stanley jacobson. police say, at some point over the last few weeks, jacobson must've shown up at his apartment without anyone noticing. and was killed. today -- police describe how jacobson's body was discovered. the victim's body this is a photo of the victim -- 69-year-old stanley jacobson -- >> yesterday, the granddaughter expressed that the girl friend was here. she responded. they contacted the suspect. and installed on calling police. and said let us go inside and wait. while she was inside the apartment we located the body. >> pam: jacobson, who suffered from dementia-- went missing back in early february. >> this man. is accused of a stabbing another man to death. vincent gallegos is facing murder charges. this is video from our helicopter partnership with abc7 news. the victim -- in his twenties, was found near guadalupe oak grove park. on wednesday. it's not yet known what led up to the incident nor the motive. >> is this a sign of things to come? we do not know but it is an isolated inciden